Bieber's manager Scooter Braun came out to explain that the singer had been complaining about being "light of breath" for the whole show and had gone to get checked out by emergency medical technicians and a doctor.

According to TMZ, Bieber fainted backstage and had to be treated with oxygen in a private room.

Watch Scooter Braun explain the situation to fans below:

Braun told the audience that the professionals had advised him not to continue and to "go see somebody and see what's going on with his lungs", but that Bieber instead wanted to come back out and finish the show.

Bieber was eventually taken to hospital at the end of the gig, where he was said to be in good spirits, and later told his Twitter followers: "getting better. thanks for everyone pulling me thru tonight. best fans in the world. figuring out what happened. thanks for the love." (sic)

He also posted a number of photographs from the hospital on Instagram, including one of him in his hospital bed captioned: "Gettin better listening to Janice (sic) Joplin."

He tweeted: "i understand it is part of the job to be judged...but judge me on the facts, judge me on the music, and be careful of the judgement u pass but know this...im only judged by one power, and i serve him."

Photo gallery - 19 Justin Bieber quotes:

Next
"I want girls to hear my music and want to play it again because it made their hearts feel good."
Copyright: Rex Features Action Press/Rex Features
1 of 19